We found this circuit in an English publication from 1969. It shows how we can implement a bridge null detector using common general purpose transistors.
With only 1% distortion, this Motorola amplifier found in a 1968 documentation makes use of period...
The sensor is an NTC and in the connection as shown in figure (a) we have the trigger with the...
This circuit causes an LED to flash on a robot when someone speaks near him, showing that he is...